Fix incorrect line in error messages

Resolves #2605

Author: Gerrit0

CHANGELOG.md

@@ -2,12 +2,13 @@
 
 ### Features
 
--   Improved Korean translation coverage, #2602
+-   Improved Korean translation coverage, #2602.
 
 ### Bug Fixes
 
 -   Added `@author` to the default list of recognized tags, #2603.
--   Anchor links are no longer incorrectly checked for relative paths, #2604
+-   Anchor links are no longer incorrectly checked for relative paths, #2604.
+-   Fixed an issue where line numbers reported in error messages could be incorrect, #2605.
 
 ### Thanks!
 

src/lib/converter/comments/textParser.ts

@@ -51,7 +51,7 @@ export function textContent(
     const data: TextParserData = {
         sourcePath,
         token,
-        pos: 0,
+        pos: 0, // relative to the token
         i18n,
         warning,
         files: files,
@@ -77,7 +77,8 @@ export function textContent(
                 ),
                 {
                     kind: TokenSyntaxKind.Text,
-                    pos: ref.pos,
+                    // ref.pos is relative to the token, but this pos is relative to the file.
+                    pos: token.pos + ref.pos,
                     text: token.text.slice(ref.pos, ref.end),
                 },
             );

src/lib/utils/minimalSourceFile.ts

@@ -23,7 +23,7 @@ export class MinimalSourceFile implements SourceFileLike {
         while (pos >= starts[starts.length - 1]) {
             const nextStart = this.text.indexOf(
                 "\n",
-                starts[starts.length - 1] + 1,
+                starts[starts.length - 1],
             );
 
             if (nextStart === -1) {

src/test/utils/minimalSourceFile.test.ts

@@ -24,4 +24,13 @@ describe("MinimalSourceFile", () => {
         check("4", { line: 2, character: 0 });
         check("5", { line: 3, character: 0 });
     });
+
+    it("#2605 Should handle multiple consecutive newlines", () => {
+        const sf = new MinimalSourceFile("a\n\nb", "");
+
+        equal(sf.getLineAndCharacterOfPosition(0), { line: 0, character: 0 }); // a
+        equal(sf.getLineAndCharacterOfPosition(1), { line: 0, character: 1 }); // \n
+        equal(sf.getLineAndCharacterOfPosition(2), { line: 1, character: 0 }); // \n
+        equal(sf.getLineAndCharacterOfPosition(3), { line: 2, character: 0 }); // b
+    });
 });